KR102360208B1 - Cage for spinal surgery - Google Patents

Cage for spinal surgery Download PDF

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Publication number
KR102360208B1
KR102360208B1 KR1020200000469A KR20200000469A KR102360208B1 KR 102360208 B1 KR102360208 B1 KR 102360208B1 KR 1020200000469 A KR1020200000469 A KR 1020200000469A KR 20200000469 A KR20200000469 A KR 20200000469A KR 102360208 B1 KR102360208 B1 KR 102360208B1
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South Korea
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cage
elastic structure
porous structure
bone
spinal surgery
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KR1020200000469A
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Korean (ko)
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KR20210087342A (en
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현미림
유휘근
김일
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주식회사 솔고 바이오메디칼
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Priority to KR1020200000469A priority Critical patent/KR102360208B1/en
Priority to US16/804,685 priority patent/US11147687B2/en
Publication of KR20210087342A publication Critical patent/KR20210087342A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/447—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
    • A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
    • A61F2002/30014—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
    • A61F2002/30571—Leaf springs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30784—Plurality of holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
    • A61F2002/30919—Sleeves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Neurology (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

본 발명은 탄력성을 가진 탄성 구조체와 다공성 구조체를 결합시켜 척추 뼈를 탄력적으로 지지함과 아울러 골유합율을 증대시킬 수 있도록 된 척추 수술용 케이지에 관한 것이다.
이를 위해 척추 수술용 케이지는 일측 단부가 돌출된 프레임의 양측에 각각 복수개의 판 스프링이 구비된 탄성 구조체, 및 상기 탄성 구조체에 의해 탄력적으로 지지되면서 상기 탄성 구조체에 결합되고, 이웃하는 척추 뼈 사이의 공간에 배치됨과 아울러 표면에 골성장을 위한 복수개의 골유합용 홀이 형성된 다공성 구조체를 포함한다.The present invention relates to a cage for spine surgery that combines an elastic structure with elasticity and a porous structure to elastically support the vertebrae and increase the rate of osseointegration.
To this end, the cage for spine surgery is coupled to the elastic structure while being elastically supported by an elastic structure provided with a plurality of leaf springs, respectively, on both sides of the frame from which one end protrudes, and the elastic structure, between adjacent vertebrae. It includes a porous structure in which a plurality of holes for bone union are formed on the surface for bone growth as well as being disposed in space.

Description

척추 수술용 케이지{CAGE FOR SPINAL SURGERY}Cage for spine surgery {CAGE FOR SPINAL SURGERY}

본 발명은 척추에 시술되는 척추 수술용 케이지에 관한 것이다.The present invention relates to a cage for spinal surgery that is operated on the spine.

일반적으로 척추는 통상 24개(천추골제외)의 뼈로 이루어져 각각의 뼈 사이에는 디스크라 불리는 관절에 의해 연결되어 척추를 지지하며 완충작용을 할 수 있게 구성되어 있다. 이를 통하여 척추는 인간의 자세를 유지할 수 있게 도와줄 뿐만 아니라, 운동의 토대가 되며 내장 기관을 보호하는 중요한 역할을 하고 있다.In general, the spine is usually composed of 24 bones (excluding the sacrum), and between each bone is connected by a joint called a disc to support the spine and to act as a buffer. Through this, the spine not only helps maintain human posture, but also serves as a basis for movement and plays an important role in protecting internal organs.

그러나 비정상적인 자세가 오랫동안 유지되거나, 노화에 따른 퇴행성 질환 또는 외부로부터 충격을 받게 되면 척추 뼈 마디의 디스크가 손상되어 척추 디스크 질환이 발생할 수 있는데, 이러한 척추 디스크 질환은 척추 뼈 마디를 통해 인체의 각 부분에 연결되는 신경이 압박되어 통증을 유발하게 된다.However, if an abnormal posture is maintained for a long time, degenerative diseases due to aging, or an external shock is received, the disc of the vertebral bone node may be damaged and vertebral disc disease may occur. The nerves that connect to it are compressed, causing pain.

따라서, 척추 디스크 환자는 신경이 눌리거나 압박되지 않도록 손상된 디스크를 제거하고, 중공형의 금속 또는 플라스틱 재질로 이루어진 케이지에 뼈 조각을 채워 디스크를 제거한 부위에 삽입하는 방식이 시술되고 있다.Therefore, a method of removing the damaged disc so that the nerve is not compressed or compressed in the spinal disc patient is inserted into the area from which the disc is removed by filling a cage made of a hollow metal or plastic material with bone fragments.

이러한 척추 수술용 케이지는 척추 뼈와의 유합(fusion)이 중요한 부분이나, 종래의 케이지의 경우 척추 뼈와 유합이 잘 이루어지지 않는 문제점이 존재하였다.In this cage for spinal surgery, fusion with the vertebrae is an important part, but in the case of the conventional cage, there is a problem in that fusion with the vertebrae is not performed well.

또한, 다공성의 케이지를 사용하는 경우 주변 골조직과의 유합이 용이하나 척추 뼈를 지탱하기 위한 강도가 떨어지는 문제가 있었다.In addition, when a porous cage is used, it is easy to merge with the surrounding bone tissue, but there is a problem in that the strength for supporting the vertebrae is low.

대한민국 등록특허공보 제10-1225006호(발명의 명칭: 척추체간 유합술용 다공성 케이지 및 그 제조방법, 2013. 01. 22. 공고)Republic of Korea Patent Publication No. 10-1225006 (Title of the invention: porous cage for vertebral trunk fusion and its manufacturing method, 2013. 01. 22. Announcement) 대한민국 공개특허공보 제10-2019-0134903호(발명의 명칭: 척추 유합용 케이지, 2019. 12. 05. 공개)Republic of Korea Patent Publication No. 10-2019-0134903 (Title of the invention: Cage for spinal fusion, published on Dec. 05, 2019)

본 발명은 상기와 같은 점을 감안하여 창안된 것으로서, 탄력성을 가진 탄성 구조체와 다공성 구조체를 결합시켜 척추 뼈를 탄력적으로 지지함과 아울러 골유합율을 증대시킬 수 있도록 된 척추 수술용 케이지를 제공하는데 그 목적이 있다.The present invention was devised in view of the above points, and provides a cage for spine surgery that combines an elastic structure with elasticity and a porous structure to elastically support the vertebrae and increase the rate of osseointegration. There is a purpose.

상술한 본 발명의 목적을 달성하기 위한 바람직한 실시예에 따르면, 본 발명에 따른 척추 수술용 케이지는 일측 단부가 돌출된 프레임의 양측에 각각 복수개의 판 스프링이 구비된 탄성 구조체, 및 상기 탄성 구조체에 의해 탄력적으로 지지되면서 상기 탄성 구조체에 결합되고, 이웃하는 척추 뼈 사이의 공간에 배치됨과 아울러 표면에 골성장을 위한 복수개의 골유합용 홀이 형성된 다공성 구조체를 포함할 수 있다.According to a preferred embodiment for achieving the above object of the present invention, the cage for spinal surgery according to the present invention is an elastic structure provided with a plurality of leaf springs, respectively, on both sides of a frame from which one end protrudes, and the elastic structure It may include a porous structure coupled to the elastic structure while being elastically supported by a porous structure having a plurality of osseointegration holes for bone growth on the surface while being disposed in the space between the neighboring vertebral bones.

상기 탄성 구조체는 상기 다공성 구조체의 외측에 배치되는 상기 판 스프링이 상하방향으로 일정 간격을 두고 설치되어 상기 다공성 구조체에 가해지는 하중을 지지할 수 있다.In the elastic structure, the leaf springs disposed on the outside of the porous structure may be installed at regular intervals in the vertical direction to support the load applied to the porous structure.

상기 프레임은 상기 탄성 구조체의 진입방향을 기준으로 전방에 돌출부가 형성되고, 상기 프레임의 후방에 척추 수술장치가 삽입되는 고정홀이 형성될 수 있다.The frame may have a protrusion formed in the front with respect to the entry direction of the elastic structure, and a fixing hole into which the spinal surgery device is inserted in the rear of the frame may be formed.

상기 다공성 구조체는 내측에 골이식편을 삽입해 넣을 수 있는 골삽입공간이 형성되고, 상기 골삽입공간의 상부에 상기 골삽입공간과 연통되는 골삽입홀이 형성될 수 있다.The porous structure may be formed with a bone insertion space into which a bone graft can be inserted, and a bone insertion hole communicating with the bone insertion space may be formed at an upper portion of the bone insertion space.

상기 다공성 구조체는 척추 뼈와의 고정을 위해 상하부의 외곽 테두리를 따라 복수개의 스파이크가 형성될 수 있다.The porous structure may have a plurality of spikes formed along the outer edges of the upper and lower parts for fixing with the vertebrae.

상기 탄성 구조체와 상기 다공성 구조체는 서로 결합되어 유선형을 이루면서 외부에서 가해지는 하중에 대해 탄력적으로 대응하는 하중 저항력을 가질 수 있다.The elastic structure and the porous structure may have a load-resisting force elastically corresponding to a load applied from the outside while being coupled to each other to form a streamlined shape.

본 발명에 따른 척추 수술용 케이지에 따르면, 탄성 구조체와 다공성 구조체가 결합된 케이지를 통해 척추 뼈를 탄력적으로 지지하고, 케이지를 통한 골유합율을 증대시켜 환자의 빠른 수술 회복을 도모할 수 있다.According to the cage for spinal surgery according to the present invention, it is possible to elastically support the vertebrae through the cage in which the elastic structure and the porous structure are combined, and to increase the rate of bone union through the cage, thereby promoting a rapid surgical recovery of the patient.

또한, 케이지의 강성 및 하중 저항력을 향상시켜 케이지의 깨짐 및 변형 등을 방지할 수 있다.In addition, it is possible to prevent cracking and deformation of the cage by improving the rigidity and load resistance of the cage.

도 1은 본 발명의 일 실시예에 따른 척추 수술용 케이지를 도시한 도면이다.
도 2는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 측면 구조를 도시한 도면이다.
도 3은 본 발명의 일 실시예에 따른 척추 수술용 케이지의 상부 구조를 도시한 도면이다.
도 4는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 구성을 도시한 도면이다.
도 5는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 하중 저항력을 도시한 도면이다.
도 6은 본 발명의 일 실시예에 따른 척추 수술용 케이지가 척추 뼈 사이의 공간에 시술된 상태를 도시한 도면이다.1 is a view showing a cage for spinal surgery according to an embodiment of the present invention.
Figure 2 is a view showing the side structure of the cage for spinal surgery according to an embodiment of the present invention.
Figure 3 is a view showing the upper structure of the cage for spinal surgery according to an embodiment of the present invention.
4 is a view showing the configuration of a cage for spine surgery according to an embodiment of the present invention.
5 is a view showing the load resistance of the cage for spinal surgery according to an embodiment of the present invention.
6 is a view showing a state in which the cage for spinal surgery according to an embodiment of the present invention is operated in the space between the vertebrae.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 척추 수술용 케이지의 일 실시예를 설명한다. 이때, 본 발명은 실시예에 의해 제한되거나 한정되는 것은 아니다. 또한, 본 발명을 설명함에 있어서, 공지된 기능 혹은 구성에 대해 구체적인 설명은 본 발명의 요지를 명확하게 하기 위해 생략될 수 있다.Hereinafter, an embodiment of a cage for spinal surgery according to the present invention will be described with reference to the accompanying drawings. At this time, the present invention is not limited or limited by the examples. In addition, in describing the present invention, detailed descriptions of well-known functions or configurations may be omitted in order to clarify the gist of the present invention.

도 1은 본 발명의 일 실시예에 따른 척추 수술용 케이지를 도시한 도면이다. 도 2는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 측면 구조를 도시한 도면이다. 도 3은 본 발명의 일 실시예에 따른 척추 수술용 케이지의 상부 구조를 도시한 도면이다.1 is a view showing a cage for spinal surgery according to an embodiment of the present invention. Figure 2 is a view showing the side structure of the cage for spine surgery according to an embodiment of the present invention. Figure 3 is a view showing the upper structure of the cage for spinal surgery according to an embodiment of the present invention.

도 1 내지 도 3을 참조하면, 본 발명에 따른 척추 수술용 케이지(1)는 탄성 구조체(10)와 다공성 구조체(20)의 결합으로 이루어지고, 상기 탄성 구조체(10)는 케이지(1)의 지지력을 향상시키며, 상기 다공성 구조체(20)는 케이지(1)의 골유합율을 향상시킬 수 있다.1 to 3 , the cage 1 for spinal surgery according to the present invention is made of a combination of an elastic structure 10 and a porous structure 20, and the elastic structure 10 is the cage (1). To improve the bearing capacity, the porous structure 20 can improve the rate of osseointegration of the cage (1).

본 실시예에서, 상기 케이지(1)의 탄성 구조체(10)는 일측 단부가 돌출된 프레임(11)의 양측에 각각 복수개의 판 스프링(12)이 구비된 것으로, 상기 판 스프링(12)을 이용하여 탄성 구조체(10)에 가해지는 하중을 탄력적으로 지지할 수 있다.In this embodiment, the elastic structure 10 of the cage 1 is provided with a plurality of leaf springs 12, respectively, on both sides of the frame 11 from which one end protrudes, and the leaf springs 12 are used. Thus, the load applied to the elastic structure 10 can be elastically supported.

또한, 상기 케이지(1)의 다공성 구조체(20)는 탄성 구조체(10)에 의해 탄력적으로 지지되면서 탄성 구조체(10)에 결합되고, 이웃하는 척추 뼈 사이의 공간에 배치됨과 아울러 표면에 골성장을 위한 복수개의 골유합용 홀(21)이 형성된 것으로, 상기 다공성 구조체(20)에 형성된 복수개의 골유합용 홀(21)에 뼈 조직이 부착 및 성장하게 되고, 상기 다공성 구조체(20)의 표면은 상기 골유합용 홀(21)을 통해 메쉬 구조를 이루게 된다.In addition, the porous structure 20 of the cage 1 is coupled to the elastic structure 10 while being elastically supported by the elastic structure 10, and is disposed in the space between the neighboring vertebrae and bone growth on the surface. A plurality of osseointegration holes 21 for osseointegration are formed, and bone tissue is attached and grown in the plurality of osseointegration holes 21 formed in the porous structure 20, and the surface of the porous structure 20 is the osseointegration A mesh structure is formed through the hole 21 for use.

즉, 상기 케이지(1)는 탄성력을 지닌 상기 탄성 구조체(10)와 골유합율을 증대시킬 수 있는 다공성 구조체(20)가 서로 결합되어 이루어진 것으로, 상기 탄성 구조체(10) 및 다공성 구조체(20)의 장점이 모두 나타날 수 있고, 이를 통해 상기 케이지(1)가 갖는 지지력 및 골유합의 효과가 극대화될 수 있다.That is, the cage 1 is made by combining the elastic structure 10 having an elastic force and the porous structure 20 capable of increasing the rate of bone union to each other, and the elastic structure 10 and the porous structure 20 are All the advantages may appear, and through this, the effect of the support force and osseointegration of the cage (1) can be maximized.

본 실시예에서, 상기 탄성 구조체(10)는 다공성 구조체(20)의 외측에 배치되는 판 스프링(12)이 상하방향으로 일정 간격을 두고 설치되어 다공성 구조체(20)에 가해지는 하중을 지지할 수 있다. 상기 판 스프링(12)은 프레임(11)의 좌우측에 각각 배치되는 것으로, 동일한 구조의 판 스프링(12)이 상기 탄성 구조체(10)의 좌우측에 배치됨으로써 상기 케이지(1)가 균일한 하중 지지력을 가질 수 있다.In this embodiment, in the elastic structure 10, the leaf springs 12 disposed on the outside of the porous structure 20 are installed at regular intervals in the vertical direction to support the load applied to the porous structure 20. have. The leaf springs 12 are disposed on the left and right sides of the frame 11, respectively, and the leaf springs 12 of the same structure are disposed on the left and right sides of the elastic structure 10 so that the cage 1 provides a uniform load bearing force. can have

또한, 상기 프레임(11)은 탄성 구조체(10)의 진입방향을 기준으로 전방에 돌출부(11a)가 형성되고, 상기 프레임(11)의 후방에 척추 수술장치가 삽입되는 고정홀(11b)이 형성된 구조로서, 상기 고정홀(11b)에 척추 수술장치의 단부를 삽입하여 환자의 척추 부위에 상기 케이지(1)를 삽입 고정할 수 있다. 상기 돌출부(11a)는 수술 부위로 이동하는 케이지(1)가 척추 부위에 보다 용이하게 진입하도록 할 수 있다.In addition, the frame 11 has a protrusion 11a formed at the front with respect to the entry direction of the elastic structure 10 , and a fixing hole 11b into which the spinal surgical device is inserted at the rear of the frame 11 is formed. As a structure, by inserting the end of the spinal surgical device into the fixing hole (11b), it is possible to insert and fix the cage (1) to the patient's spine. The protrusion 11a may allow the cage 1 moving to the surgical site to more easily enter the spinal region.

여기서, 상기 다공성 구조체(20)는 내측에 골이식편을 삽입해 넣을 수 있는 골삽입공간이 형성되고, 상기 골삽입공간의 상부에 골삽입공간과 연통되는 골삽입홀(22)이 형성될 수 있다. 상기 골삽입홀(22)을 통해 투입된 뼈가 골삽입공간에 채워진 상태로 골유합이 일어나게 된다.Here, the porous structure 20 may be provided with a bone insertion space into which a bone graft can be inserted, and a bone insertion hole 22 communicating with the bone insertion space may be formed in the upper portion of the bone insertion space. . Bone union occurs while the bone inserted through the bone insertion hole 22 is filled in the bone insertion space.

상기 다공성 구조체(20)는 척추 뼈와의 고정을 위해 상하부의 외곽 테두리를 따라 복수개의 스파이크(23)가 형성될 수 있다. 상기 스파이크(23)는 다공성 구조체(20)가 마찰력을 갖도록하여 척추 부위에 고정된 케이지(1)의 유동을 방지할 수 있다. 상기 스파이크(23)를 통해 케이지(1)의 고정 상태를 견고하게 유지함으로써 보다 안정된 상태로 골유합이 이루어지도록 유도할 수 있다.The porous structure 20 may have a plurality of spikes 23 formed along the outer edges of the upper and lower portions for fixing with the vertebrae. The spike 23 allows the porous structure 20 to have frictional force, thereby preventing the cage 1 fixed to the spine from flowing. By firmly maintaining the fixed state of the cage 1 through the spike 23, it is possible to induce osseointegration in a more stable state.

그러므로, 상기 탄성 구조체(10)와 다공성 구조체(20)의 결합으로 이루어진 케이지(1)는 탄성 구조체(10)를 통해 하중 저항력을 높여줄 수 있고, 다공성 구조체(20)를 통해 골유합율을 높여줄 수 있다.Therefore, the cage 1 made of the combination of the elastic structure 10 and the porous structure 20 can increase the load resistance through the elastic structure 10 and increase the rate of bone union through the porous structure 20 . can

도 4는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 구성을 도시한 도면이다. 도 5는 본 발명의 일 실시예에 따른 척추 수술용 케이지의 하중 저항력을 도시한 도면이다.4 is a view showing the configuration of a cage for spine surgery according to an embodiment of the present invention. 5 is a view showing the load resistance of the cage for spinal surgery according to an embodiment of the present invention.

도 4를 참조하면, (a)는 복수개의 판 스프링(12)이 구비된 탄성 구조체(10)를 나타낸 것으로, 상기 탄성 구조체(10)의 프레임(11) 전방에는 돌출부(11a)가 형성되고, 상기 탄성 구조체(10)의 후방에는 고정홀(11b)이 형성되며, 상기 프레임(11)의 좌우측면에는 각각 복수개의 판 스프링(12)이 일정 간격을 두고 설치되는 구조이다. 상기 판 스프링(12)을 통해 케이지(1)가 받는 수직 하중을 탄력적으로 지지할 수 있다. 4, (a) shows an elastic structure 10 provided with a plurality of leaf springs 12, and a protrusion 11a is formed in front of the frame 11 of the elastic structure 10, A fixing hole 11b is formed at the rear of the elastic structure 10, and a plurality of leaf springs 12 are installed on the left and right sides of the frame 11 at predetermined intervals, respectively. The vertical load received by the cage 1 can be elastically supported through the leaf spring 12 .

(b)는 복수개의 골유합용 홀(21)이 구비된 다공성 구조체(20)를 나타낸 것으로, 상기 다공성 구조체(20)의 표면이 메쉬 형상을 이루기 때문에 상기 골유합용 홀(21)을 통해 골유합을 보다 증대시킬 수 있다.(b) shows the porous structure 20 provided with a plurality of osseointegration holes 21, and since the surface of the porous structure 20 forms a mesh shape, osseointegration is observed through the osseointegration hole 21 can be increased

도 5를 참조하면, (A)는 상기 탄성 구조체(10)가 수직방향으로 하중 저항을 받아 변형되는 상태를 나타낸 것이고, (B)는 상기 탄성 구조체(10)에 결합되는 다공성 구조체(20)를 나타낸 것이다.5, (A) shows a state in which the elastic structure 10 is deformed by receiving load resistance in the vertical direction, (B) is a porous structure 20 coupled to the elastic structure 10 it has been shown

이에 따라, (C)는 상기 탄성 구조체(10)와 다공성 구조체(20)가 결합된 상기 케이지(1)에 수직방향으로 하중이 가해지는 것을 나타낸 것이고, (D)는 상기 케이지(1)에 가해지는 하중에 대해 탄력적으로 작용하는 하중 저항력을 나타낸 것이다.Accordingly, (C) shows that the load is applied in the vertical direction to the cage (1) to which the elastic structure (10) and the porous structure (20) are coupled, (D) is applied to the cage (1) It represents the load-resisting force acting elastically against the load.

즉, 상기 케이지(1)는 수직방향의 하중에 대해 변형이 크지 않으면서도 보다 견고하게 지지될 수 있다. 상기 케이지(1)는 안정된 상태로 외부의 하중에 대해 저항하는 저항력이 향상될 수 있다.That is, the cage 1 can be supported more firmly without a large deformation with respect to a load in the vertical direction. The cage 1 may have improved resistance to resist external loads in a stable state.

도 6은 본 발명의 일 실시예에 따른 척추 수술용 케이지가 척추 뼈 사이의 공간에 시술된 상태를 도시한 도면이다.6 is a view showing a state in which the cage for spinal surgery according to an embodiment of the present invention is operated in the space between the vertebrae.

도 6을 참조하면, 상기 탄성 구조체(10)와 상기 다공성 구조체(20)는 서로 결합되어 유선형을 이루면서 외부에서 가해지는 하중에 대해 탄력적으로 대응하는 하중 저항력을 가질 수 있다.Referring to FIG. 6 , the elastic structure 10 and the porous structure 20 may be coupled to each other to form a streamline and have a load-resisting force elastically corresponding to a load applied from the outside.

상기 척추 수술용 케이지(1)는 척추 뼈(2) 사이의 공간에 복수개가 시술되어 케이지(1)를 통해 골유합이 이루어지도록 하고, 이와 동시에 상기 케이지(1)의 탄성력을 통해 외부에서 가해지는 하중에 보다 안정적으로 대응할 수 있다.A plurality of cages for spinal surgery (1) are operated in the space between the vertebrae (2) so that osseointegration is achieved through the cage (1), and at the same time, a load applied from the outside through the elastic force of the cage (1) can respond more reliably.

따라서, 상기 탄성 구조체(10)와 다공성 구조체(20)가 결합된 케이지(1)를 통해 척추 뼈(2)를 탄력적으로 지지하고, 상기 케이지(1)를 통한 골유합율을 증대시켜 환자의 빠른 수술 회복을 도모할 수 있다.Therefore, the elastic structure 10 and the porous structure 20 elastically support the vertebrae 2 through the combined cage 1, and increase the rate of osseointegration through the cage 1, so that the patient's fast operation recovery can be promoted.

또한, 상기 케이지(1)의 강성 및 하중 저항력을 향상시켜 케이지(1)의 깨짐 및 변형 등을 방지할 수 있다.In addition, by improving the rigidity and load resistance of the cage (1), it is possible to prevent cracking and deformation of the cage (1).

이상, 본 발명을 본 발명의 원리를 예시하기 위한 바람직한 실시예와 관련하여 도시하고 설명하였으나, 본 발명은 그와 같이 도시되고 설명된 그대로의 구성 및 작용으로 한정되는 것이 아니다. 오히려 첨부된 특허청구범위의 사상 및 범위를 일탈함이 없이 본 발명에 대한 다수의 변경 및 수정이 가능함을 당업자들은 잘 이해할 수 있을 것이다.In the foregoing, the present invention has been shown and described in connection with preferred embodiments for illustrating the principles of the present invention, but the present invention is not limited to the construction and operation as shown and described as such. Rather, it will be apparent to those skilled in the art that many changes and modifications may be made to the present invention without departing from the spirit and scope of the appended claims.

1: 케이지 2: 척추 뼈
10: 탄성 구조체 11: 프레임
11a: 돌출부 11b: 고정홀
12: 판 스프링 20: 다공성 구조체
21: 골유합용 홀 22: 골삽입홀
23: 스파이크1: Cage 2: Vertebral Bone
10: elastic structure 11: frame
11a: protrusion 11b: fixing hole
12: leaf spring 20: porous structure
21: bone union hole 22: bone insertion hole
23: Spike

Claims (6)

일측 단부가 돌출된 프레임의 양측에 각각 복수개의 판 스프링이 구비된 탄성 구조체; 및
상기 탄성 구조체에 의해 탄력적으로 지지되면서 상기 탄성 구조체에 결합되고, 이웃하는 척추 뼈 사이의 공간에 배치됨과 아울러 표면에 골성장을 위한 복수개의 골유합용 홀이 형성된 다공성 구조체; 를 포함하고,
상기 탄성 구조체는 상기 다공성 구조체의 외측에 배치되는 상기 판 스프링이 상하방향으로 일정 간격을 두고 설치되어 상기 다공성 구조체에 가해지는 하중을 지지하며,
상기 판 스프링이 상기 탄성 구조체의 좌우측에 배치됨으로써 균일한 하중 지지력을 가지고,
상기 탄성 구조체와 상기 다공성 구조체는 서로 결합되어 유선형을 이루면서 외부에서 가해지는 하중에 대해 탄력적으로 대응하는 하중 저항력을 가지는 것을 특징으로 하는 척추 수술용 케이지.an elastic structure provided with a plurality of leaf springs on both sides of the frame from which one end protrudes; and
a porous structure coupled to the elastic structure while being elastically supported by the elastic structure, disposed in the space between adjacent vertebral bones, and having a plurality of osseointegration holes formed on the surface for bone growth; including,
In the elastic structure, the leaf springs disposed on the outside of the porous structure are installed at regular intervals in the vertical direction to support the load applied to the porous structure,
The leaf spring has a uniform load bearing capacity by being disposed on the left and right sides of the elastic structure,
The elastic structure and the porous structure are coupled to each other to form a streamlined structure, and the cage for spine surgery, characterized in that it has a load-resisting force elastically corresponding to a load applied from the outside. 삭제delete 제 1 항에 있어서,
상기 프레임은 상기 탄성 구조체의 진입방향을 기준으로 전방에 돌출부가 형성되고, 상기 프레임의 후방에 척추 수술장치가 삽입되는 고정홀이 형성되는 것을 특징으로 하는 척추 수술용 케이지.The method of claim 1,
The frame is a cage for spinal surgery, characterized in that a protrusion is formed in the front with respect to the entry direction of the elastic structure, and a fixing hole into which the spinal surgery device is inserted is formed in the rear of the frame. 제 1 항에 있어서,
상기 다공성 구조체는 내측에 골이식편을 삽입해 넣을 수 있는 골삽입공간이 형성되고, 상기 골삽입공간의 상부에 상기 골삽입공간과 연통되는 골삽입홀이 형성되는 것을 특징으로 하는 척추 수술용 케이지.The method of claim 1,
The porous structure has a bone insertion space into which a bone graft can be inserted, and a bone insertion hole communicating with the bone insertion space is formed at an upper portion of the bone insertion space. 제 1 항에 있어서,
상기 다공성 구조체는 척추 뼈와의 고정을 위해 상하부의 외곽 테두리를 따라 복수개의 스파이크가 형성되는 것을 특징으로 하는 척추 수술용 케이지.The method of claim 1,
The porous structure is a cage for spinal surgery, characterized in that a plurality of spikes are formed along the upper and lower outer edges for fixing with the vertebrae. 삭제delete
KR1020200000469A 2020-01-02 2020-01-02 Cage for spinal surgery KR102360208B1 (en)

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